Multifunctional AIEgen-based luminescent metal–organic frameworks with coordination-induced emission for chemical sensing

Abstract

Aggregation-induced emission luminogens (AIEgens) offer a timely remedy to tackle aggregation-caused quenching of traditional organic fluorescence probes. Metal−organic frameworks (MOFs) receives tremendous attraction due to their easy-to-functionalize surface and tunable...

The Effect of Linker‐to‐Metal Energy Transfer on the Photooxidation Performance of an Isostructural Series of Pyrene‐Based Rare‐Earth Metal–Organic Frameworks

“…[47,48] The performance of MOF photosensitizers relies primarily on the identity of the organic linker but can be affected by the identity of the metal nodes due to coupling between electronic energy levels of the organic linker and metal ions. [49,50] The use of rare-earth (RE) ions, including Sc(III), Y(III), and the series of fifteen lanthanoids (Ln(III)), has led to the development of RE-MOFs with intricate topologies, some of which have not been achieved using s-, p-, or d-block metal ions. [51] Due to the similar coordination number and geometry of RE ions (with the exception of Sc), when using the same organic linker, RE ions offer the opportunity to obtain the largest series of isostructural MOFs.…”

Fluorescence Detection of Trace Disinfection Byproducts by Ag Nanoprism-Modulated Lanthanide MOFs

“…Lanthanide metal–organic frameworks (Ln-MOFs), as one of the luminescent MOFs, − have unique fluorescent properties, e.g., high luminescence quantum yield, long lifetime, large Stokes shifts, and sharp emission bands. , Ln-MOFs may have strong fluorescence emissions through an “antenna effect” at a large wavelength range by selecting the appropriate lanthanide metal ions. − In particular, those Ln-MOFs with Eu as the metal node have characteristic emission bands that can well match with the SPR absorption band of AgNPR. , Thus, by utilizing the high sensitivity of the SPR absorption band of AgNPR to DBPs and the unique luminescent properties of EuMOF, a fluorescence probe for DBPs can be developed by combing these two components.…”

Excitation‐Wavelength‐Dependent Luminescence of Chemically and Physically Mixed Europium and Terbium Phosphonates: Color‐Tunable Luminescence, Near‐White‐Light Emission, and Selective Fe3+ Detection

“…Noteworthy, the final luminescence and the quantum yield may also be affected by the occurrence of nonradiative and deactivation processes and the sensitization efficiency [11] . Lanthanide metal‐organic frameworks (Ln‐MOFs) having infinite network architectures of lanthanide ions and organic ligands are particularly interesting which usually display the antenna effect enhanced characteristic 4 f–4 f transition luminescence of Ln 3+ ions [14–17] and columinescence of ligands and Ln 3+ ions [17–23] . Therefore, Ln‐MOFs with different luminescent natures of Ln 3+ , linkers, or other species have advanced in luminescence detection of certain environmental contaminants, such as Fe 3+ [3–5,24–33] .…”

“…[11] Lanthanide metal-organic frameworks (Ln-MOFs) having infinite network architectures of lanthanide ions and organic ligands are particularly interesting which usually display the antenna effect enhanced characteristic 4 f-4 f transition luminescence of Ln 3 + ions [14][15][16][17] and columinescence of ligands and Ln 3 + ions. [17][18][19][20][21][22][23] Therefore, Ln-MOFs with different luminescent natures of Ln 3 + , linkers, or other species have advanced in luminescence detection of certain environmental contaminants, such as Fe 3 + . [3][4][5][24][25][26][27][28][29][30][31][32][33] On the other hand, lanthanide ions have similar ionic radii and chemical activities, therefore, different luminescence proportions of lanthanide ions such as Sm 3 + , Eu 3 + , Tb 3 + , Dy 3 + , and Gd 3 + ions would be added to the same reaction systems to obtain mixed-Ln materials.…”